HOSSAIN, M. A.; NOOR, A. S. A. Modular and Standard Filters of a Directed above Meet Semilattice. Science & Technology Asia, [S. l.], v. 12, n. 4, p. 1–5, 2015. Disponível em: https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41477. Acesso em: 28 apr. 2024.